Home / 60,428.84-90,612.13-27,120.35

Finding the Fourth Proportional to 60,428.84, 90,612.13 and 27,120.35

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Solution

The fourth proportional to 60,428.84, 90,612.13 and 27,120.35 is: 40,666.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,428.84 : 90,612.13 = 27,120.35 : x
  2. Step 2: Convert to fraction form
    60,428.84/90,612.13 = 27,120.35/x
  3. Step 3: Cross multiply
    60,428.84x = 90,612.13 × 27,120.35
  4. Step 4: Simplify right side
    60,428.84x = 2,457,432,158.98
  5. Step 5: Solve for x
    x = 2,457,432,158.98/60,428.84
  6. Step 6: Final answer
    x = 40,666.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.